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Essay Galaxy - DNA and Crime
DNA and Crime
Deoxyribonucleic Acid - the fingerprint of life also know as DNA was
first mapped out in the early 1950s by British biophysicist, Francis Harry
Compton Crick and American biochemist James Dewey Watson. They determined the
three-dimensional structure of DNA, the substance that passes on the genetic
characteristics from one generation to the next. DNA is found in the
chromosomes in the nucleus of a cell.
"Every family line has its own unique pattern of restriction-enzyme DNA
fragments. This variation in patterns of DNA fragments found in human genetic
lineages is called restriction-fragment length polymorphism(RFLP)." (Louis
Levine, ?) Because each person, except for identical twins(which have the
exact same DNA), is formed from two family lines the pattern of sizes of the
fragments from an individual is unique and can serve as a DNA fingerprint of
th....
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Number Of Pages: 5 |
Number Of Words: 1317 |
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